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Category Laptop Repair Guide

Laptop Repair Guide

Laptop Repair Guide

Samsung NP-R428 notebook does not trigger repair

After removing D516, the standby chip is no longer hot. Short circuit was found in the third pin of D516, which was only 30 to the ground. The circuit diagram shows that P3.3V_MICOM connects two resistors and three capacitors. Troubleshooting after removing the capacitor.

yx
2023-04-06

Laptop Repair Guide

Shenzhou Feitian U147 notebook is not turned on for repair

Shenzhou Feitian U147 notebook is not turned on for repair Machine model: Shenzhou Feitian U147 notebook Fault symptom: the notebook does not turn on. Maintenance process: Shenzhou Feitian U147 notebook, standby at 0.010, press the switching current to 0.099, then…

yx
2023-04-05

Laptop Repair Guide

Shenzhou Feitian U147 notebook is not turned on for repair

yx
2023-04-04

Laptop Repair Guide

Mechanical Revolution Deep-sea Ghost Z2 Air Notebook Maintenance without Bootin

Mechanical Revolution Deep-sea Ghost Z2 Air Notebook Maintenance without Booting. Measure 3.3V to ground, and the resistance is zero, which means 3.3V short circuit protection. 3.3V power supply is distributed at dozens of points on the motherboard, which burns the…

yx
2023-03-31

Laptop Repair Guide

HP DA0R13MB6E1 notebook can’t be repaired with 3V5V.

Hp DA0R13MB6E1 notebook does not produce 3V5V, so you can try to replace the stable capacitor first, and then replace the chip. What is shared below is the process of changing the line.

yx
2023-03-30

Laptop Repair Guide

Troubleshooting of Apple iPhone 12 mobile phone not turning on

Connect the power supply at the two terminals to the 1.8v burner. It was found that the rosin on the surface of a capacitor melted, and the resistance of the two terminals was normal after deduction, and the main board was no longer leaking when it was powered on, and the current jumped normally by pressing the power-on key.

yx
2023-03-30

Laptop Repair Guide

Asus ZX53VW notebook water graphics card does not recognize card repair

Asus ZX53VW notebook water graphics card does not recognize card repair Machine model: ASUS ZX53VW notebook Main board number: GL553VW MAIN BOARD REV:2.0 Fault phenomenon: The seller described that the temperature of the notebook was too high to play games,…

yx
2023-03-29

Laptop Repair Guide

Lenovo Miix 510 notebook external keyboard can’t be repaired

The WWAN position on the motherboard is empty, and even the slot is not installed. Check that the pins 7 and 9 of the drawing correspond to the two data pins of USB, cut off the wiring of the data terminal of the keyboard interface, and fly the wire to the pins 7 and 9 of WWAN. Installation test, the external keyboard can be used, fault repair!

yx
2023-03-28

Laptop Repair Guide

Repair of Asus Notebook FX80G Insulating Tube with Slab Burning

Found that standby is 0. According to the drawing, measure each pin of the chip, burn the machine directly, and feel that the PC388 capacitor is seriously hot, and it will not be short-circuited after being pulled out.

yx
2023-03-25